(19)

(11)

EP 1 208 659 A1

(12)

(43) Date of publication: 29.05.2002 Bulletin 2002/22 (21) Application number: 01939451.9 (22) Date of filing: 23.05.2001

(51) International Patent Classification (IPC)7: H04B 7/185 (86) International application number: PCT/US0116/987 (87) International publication number: WO 0195/522 (13.12.2001 Gazette 2001/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 06.06.2000 US 587960 (71) Applicant: Hughes Electronics Corporation El Segundo, CA 90245-0956 (US)	(72) Inventors: YUNG, Kar, W. Torrance, CA 90503 (US) HAGEN, Frank, A. Palos Verdes Estates, CA 90274 (US) CHANG, Donald, C., D. Thousand Oaks, CA 91360 (US) (74) Representative: Steil, Christian, Dipl.-Ing. et al Witte, Weller & Partner,Postfach 10 54 62 70047 Stuttgart 70047 Stuttgart (DE)